Sulfenyl halide polymerization terminators
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United States of America Patent
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Aug 14, 2001
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app pub date -
Dec 31, 1998
filing date -
Dec 31, 1998
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Abstract
A method of preparing a functionalized polymer comprising the steps of initiating the formation and propagation of an anionically-polymerized living polymer, and terminating the propagation of the living polymer by reacting the polymer with a terminating agent selected from the group of agents defined by the formulas (III), (IV), and (V) ##STR1## where C is a carbon atom, S is a sulfur atom, X is a halogen atom, R.sub.2 and R.sub.4 are independently selected from hydrogen and carbon-based moieties, and where the phenyl groups are selected from unsubstituted and substituted phenyl groups.
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